i have from drop down onchange redirect, when i select one of value, page when i redirect not changet value from drop down onchange redirct. my javascript
<script language="JavaScript" type="text/javascript">
function redirect(site){
window.location= site
}
</script>
on my form like this
<select name="bulan" onchange="redirect(this.value)">
<option value="#">Pilih Bulan</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/01">Januari</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/02">Februari</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/03">Maret</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/04">April</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/05">Mei</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/06">Juni</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/07">Juli</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/08">Agustus</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/09">September</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/10">Oktober</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/11">November</option>
<option value="<?= base_url(); ?>index.php/kalender/cari_agenda/<?= $this->uri->segment(3); ?>/12">Desember</option>
</select>
how i get the value selected from this form ??